Home / 1,371,953.28-1,893,321.60-768,339.84

Finding the Fourth Proportional to 1,371,953.28, 1,893,321.60 and 768,339.84

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Solution

The fourth proportional to 1,371,953.28, 1,893,321.60 and 768,339.84 is: 1,060,323.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,953.28 : 1,893,321.60 = 768,339.84 : x
  2. Step 2: Convert to fraction form
    1,371,953.28/1,893,321.60 = 768,339.84/x
  3. Step 3: Cross multiply
    1,371,953.28x = 1,893,321.60 × 768,339.84
  4. Step 4: Simplify right side
    1,371,953.28x = 1,454,714,415,212.54
  5. Step 5: Solve for x
    x = 1,454,714,415,212.54/1,371,953.28
  6. Step 6: Final answer
    x = 1,060,323.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.